The Williams, K.P. mss., 1820-1958, consists of letters and papers of Kenneth Powers Williams, 1887-1958, professor of mathematics at Indiana University and author of Lincoln Finds a General.
The Willis mss., 1942-1945, consist of letters and documents of Hugh Evander Willis, 1875-1967, professor of law at Indiana University, dealing with Professor Willis' plan for achieving lasting peace through a federation of the world and with his proposals for the constitution of the United Nations.
The Wilson mss., 1891-1983, consists of the papers of William Edward Wilson, 1906-1988, Indiana University James A. Work Professor of English at Bloomington, Indiana, author, and newspaperman.
The Wrancher, Elizabeth mss., 1943-2002, consist of correspondence, photographs, printed material, and personal ephemera related to opera singer Elizabeth Wrancher.
The Yellen mss., 1863-1968, consist of the correspondence and writings of Samuel Yellen, 1906-1983, author and professor of English at Indiana University at Bloomington.